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Title: Towards Green Titration: Batchwise Titration with Reusable Solid Sorbed Indicators
Authors: Miki Kanna
Sarawut Somnam
Wasin Wongwilai
Kate Grudpan
Keywords: Chemistry
Issue Date: 10-Mar-2019
Abstract: We propose the creation of reusable indicator-sorbed-solids, using anion-exchange resins or kaolin as supports, with the aim to reduce chemical use towards green analytical chemistry. Indicators (phenolphthalein, thymol blue and butterfly pea flower extract as a natural indicator) sorbed on a solid support, were employed in acid-base titration, in both homogenous aqueous and heterogenous aqueous organic phases. Applications of the developed techniques to some real samples, such as vinegar, colored fruit juice and vegetable oil, have been demonstrated.
ISSN: 13482246
Appears in Collections:CMUL: Journal Articles

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